$ whoami
root
$ git clone -n http://8.131.229.236/anolis-os/perl-Net-DNS-Resolver-Mock /var/lib/mock/dist-el8-build-7512-591/root/chroot_tmpdir/scmroot/perl-Net-DNS-Resolver-Mock
Cloning into '/var/lib/mock/dist-el8-build-7512-591/root/chroot_tmpdir/scmroot/perl-Net-DNS-Resolver-Mock'...
$ git reset --hard origin/a8
HEAD is now at 5d81151 import perl-Net-DNS-Resolver-Mock-1.20171219-4.el8.src.rpm